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3781040438 = 27270074317
BaseRepresentation
bin1110000101011110…
…0001100100110110
3100202111200202101202
43201113201210312
530220421243223
61423104452502
7162461212340
oct34127414466
910674622352
103781040438
11167033170a
1289631a132
13483459746
1427c238290
15171e23428
hexe15e1936

3781040438 has 8 divisors (see below), whose sum is σ = 6481783632. Its totient is φ = 1620445896.

The previous prime is 3781040407. The next prime is 3781040447. The reversal of 3781040438 is 8340401873.

3781040438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135037145 + ... + 135037172.

It is an arithmetic number, because the mean of its divisors is an integer number (810222954).

Almost surely, 23781040438 is an apocalyptic number.

3781040438 is a deficient number, since it is larger than the sum of its proper divisors (2700743194).

3781040438 is a wasteful number, since it uses less digits than its factorization.

3781040438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270074326.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 3781040438 is about 61490.1653762616. The cubic root of 3781040438 is about 1557.8911398829.

The spelling of 3781040438 in words is "three billion, seven hundred eighty-one million, forty thousand, four hundred thirty-eight".

Divisors: 1 2 7 14 270074317 540148634 1890520219 3781040438